796 lines
24 KiB
JavaScript
796 lines
24 KiB
JavaScript
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
var zrUtil = require("zrender/lib/core/util");
|
|
|
|
var LinearGradient = require("zrender/lib/graphic/LinearGradient");
|
|
|
|
var eventTool = require("zrender/lib/core/event");
|
|
|
|
var VisualMapView = require("./VisualMapView");
|
|
|
|
var graphic = require("../../util/graphic");
|
|
|
|
var numberUtil = require("../../util/number");
|
|
|
|
var sliderMove = require("../helper/sliderMove");
|
|
|
|
var helper = require("./helper");
|
|
|
|
var modelUtil = require("../../util/model");
|
|
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
var linearMap = numberUtil.linearMap;
|
|
var each = zrUtil.each;
|
|
var mathMin = Math.min;
|
|
var mathMax = Math.max; // Arbitrary value
|
|
|
|
var HOVER_LINK_SIZE = 12;
|
|
var HOVER_LINK_OUT = 6; // Notice:
|
|
// Any "interval" should be by the order of [low, high].
|
|
// "handle0" (handleIndex === 0) maps to
|
|
// low data value: this._dataInterval[0] and has low coord.
|
|
// "handle1" (handleIndex === 1) maps to
|
|
// high data value: this._dataInterval[1] and has high coord.
|
|
// The logic of transform is implemented in this._createBarGroup.
|
|
|
|
var ContinuousView = VisualMapView.extend({
|
|
type: 'visualMap.continuous',
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
init: function () {
|
|
ContinuousView.superApply(this, 'init', arguments);
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._shapes = {};
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._dataInterval = [];
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._handleEnds = [];
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._orient;
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._useHandle;
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._hoverLinkDataIndices = [];
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._dragging;
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._hovering;
|
|
},
|
|
|
|
/**
|
|
* @protected
|
|
* @override
|
|
*/
|
|
doRender: function (visualMapModel, ecModel, api, payload) {
|
|
if (!payload || payload.type !== 'selectDataRange' || payload.from !== this.uid) {
|
|
this._buildView();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_buildView: function () {
|
|
this.group.removeAll();
|
|
var visualMapModel = this.visualMapModel;
|
|
var thisGroup = this.group;
|
|
this._orient = visualMapModel.get('orient');
|
|
this._useHandle = visualMapModel.get('calculable');
|
|
|
|
this._resetInterval();
|
|
|
|
this._renderBar(thisGroup);
|
|
|
|
var dataRangeText = visualMapModel.get('text');
|
|
|
|
this._renderEndsText(thisGroup, dataRangeText, 0);
|
|
|
|
this._renderEndsText(thisGroup, dataRangeText, 1); // Do this for background size calculation.
|
|
|
|
|
|
this._updateView(true); // After updating view, inner shapes is built completely,
|
|
// and then background can be rendered.
|
|
|
|
|
|
this.renderBackground(thisGroup); // Real update view
|
|
|
|
this._updateView();
|
|
|
|
this._enableHoverLinkToSeries();
|
|
|
|
this._enableHoverLinkFromSeries();
|
|
|
|
this.positionGroup(thisGroup);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_renderEndsText: function (group, dataRangeText, endsIndex) {
|
|
if (!dataRangeText) {
|
|
return;
|
|
} // Compatible with ec2, text[0] map to high value, text[1] map low value.
|
|
|
|
|
|
var text = dataRangeText[1 - endsIndex];
|
|
text = text != null ? text + '' : '';
|
|
var visualMapModel = this.visualMapModel;
|
|
var textGap = visualMapModel.get('textGap');
|
|
var itemSize = visualMapModel.itemSize;
|
|
var barGroup = this._shapes.barGroup;
|
|
|
|
var position = this._applyTransform([itemSize[0] / 2, endsIndex === 0 ? -textGap : itemSize[1] + textGap], barGroup);
|
|
|
|
var align = this._applyTransform(endsIndex === 0 ? 'bottom' : 'top', barGroup);
|
|
|
|
var orient = this._orient;
|
|
var textStyleModel = this.visualMapModel.textStyleModel;
|
|
this.group.add(new graphic.Text({
|
|
style: {
|
|
x: position[0],
|
|
y: position[1],
|
|
textVerticalAlign: orient === 'horizontal' ? 'middle' : align,
|
|
textAlign: orient === 'horizontal' ? align : 'center',
|
|
text: text,
|
|
textFont: textStyleModel.getFont(),
|
|
textFill: textStyleModel.getTextColor()
|
|
}
|
|
}));
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_renderBar: function (targetGroup) {
|
|
var visualMapModel = this.visualMapModel;
|
|
var shapes = this._shapes;
|
|
var itemSize = visualMapModel.itemSize;
|
|
var orient = this._orient;
|
|
var useHandle = this._useHandle;
|
|
var itemAlign = helper.getItemAlign(visualMapModel, this.api, itemSize);
|
|
|
|
var barGroup = shapes.barGroup = this._createBarGroup(itemAlign); // Bar
|
|
|
|
|
|
barGroup.add(shapes.outOfRange = createPolygon());
|
|
barGroup.add(shapes.inRange = createPolygon(null, useHandle ? getCursor(this._orient) : null, zrUtil.bind(this._dragHandle, this, 'all', false), zrUtil.bind(this._dragHandle, this, 'all', true)));
|
|
var textRect = visualMapModel.textStyleModel.getTextRect('国');
|
|
var textSize = mathMax(textRect.width, textRect.height); // Handle
|
|
|
|
if (useHandle) {
|
|
shapes.handleThumbs = [];
|
|
shapes.handleLabels = [];
|
|
shapes.handleLabelPoints = [];
|
|
|
|
this._createHandle(barGroup, 0, itemSize, textSize, orient, itemAlign);
|
|
|
|
this._createHandle(barGroup, 1, itemSize, textSize, orient, itemAlign);
|
|
}
|
|
|
|
this._createIndicator(barGroup, itemSize, textSize, orient);
|
|
|
|
targetGroup.add(barGroup);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_createHandle: function (barGroup, handleIndex, itemSize, textSize, orient) {
|
|
var onDrift = zrUtil.bind(this._dragHandle, this, handleIndex, false);
|
|
var onDragEnd = zrUtil.bind(this._dragHandle, this, handleIndex, true);
|
|
var handleThumb = createPolygon(createHandlePoints(handleIndex, textSize), getCursor(this._orient), onDrift, onDragEnd);
|
|
handleThumb.position[0] = itemSize[0];
|
|
barGroup.add(handleThumb); // Text is always horizontal layout but should not be effected by
|
|
// transform (orient/inverse). So label is built separately but not
|
|
// use zrender/graphic/helper/RectText, and is located based on view
|
|
// group (according to handleLabelPoint) but not barGroup.
|
|
|
|
var textStyleModel = this.visualMapModel.textStyleModel;
|
|
var handleLabel = new graphic.Text({
|
|
draggable: true,
|
|
drift: onDrift,
|
|
onmousemove: function (e) {
|
|
// Fot mobile devicem, prevent screen slider on the button.
|
|
eventTool.stop(e.event);
|
|
},
|
|
ondragend: onDragEnd,
|
|
style: {
|
|
x: 0,
|
|
y: 0,
|
|
text: '',
|
|
textFont: textStyleModel.getFont(),
|
|
textFill: textStyleModel.getTextColor()
|
|
}
|
|
});
|
|
this.group.add(handleLabel);
|
|
var handleLabelPoint = [orient === 'horizontal' ? textSize / 2 : textSize * 1.5, orient === 'horizontal' ? handleIndex === 0 ? -(textSize * 1.5) : textSize * 1.5 : handleIndex === 0 ? -textSize / 2 : textSize / 2];
|
|
var shapes = this._shapes;
|
|
shapes.handleThumbs[handleIndex] = handleThumb;
|
|
shapes.handleLabelPoints[handleIndex] = handleLabelPoint;
|
|
shapes.handleLabels[handleIndex] = handleLabel;
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_createIndicator: function (barGroup, itemSize, textSize, orient) {
|
|
var indicator = createPolygon([[0, 0]], 'move');
|
|
indicator.position[0] = itemSize[0];
|
|
indicator.attr({
|
|
invisible: true,
|
|
silent: true
|
|
});
|
|
barGroup.add(indicator);
|
|
var textStyleModel = this.visualMapModel.textStyleModel;
|
|
var indicatorLabel = new graphic.Text({
|
|
silent: true,
|
|
invisible: true,
|
|
style: {
|
|
x: 0,
|
|
y: 0,
|
|
text: '',
|
|
textFont: textStyleModel.getFont(),
|
|
textFill: textStyleModel.getTextColor()
|
|
}
|
|
});
|
|
this.group.add(indicatorLabel);
|
|
var indicatorLabelPoint = [orient === 'horizontal' ? textSize / 2 : HOVER_LINK_OUT + 3, 0];
|
|
var shapes = this._shapes;
|
|
shapes.indicator = indicator;
|
|
shapes.indicatorLabel = indicatorLabel;
|
|
shapes.indicatorLabelPoint = indicatorLabelPoint;
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_dragHandle: function (handleIndex, isEnd, dx, dy) {
|
|
if (!this._useHandle) {
|
|
return;
|
|
}
|
|
|
|
this._dragging = !isEnd;
|
|
|
|
if (!isEnd) {
|
|
// Transform dx, dy to bar coordination.
|
|
var vertex = this._applyTransform([dx, dy], this._shapes.barGroup, true);
|
|
|
|
this._updateInterval(handleIndex, vertex[1]); // Considering realtime, update view should be executed
|
|
// before dispatch action.
|
|
|
|
|
|
this._updateView();
|
|
} // dragEnd do not dispatch action when realtime.
|
|
|
|
|
|
if (isEnd === !this.visualMapModel.get('realtime')) {
|
|
// jshint ignore:line
|
|
this.api.dispatchAction({
|
|
type: 'selectDataRange',
|
|
from: this.uid,
|
|
visualMapId: this.visualMapModel.id,
|
|
selected: this._dataInterval.slice()
|
|
});
|
|
}
|
|
|
|
if (isEnd) {
|
|
!this._hovering && this._clearHoverLinkToSeries();
|
|
} else if (useHoverLinkOnHandle(this.visualMapModel)) {
|
|
this._doHoverLinkToSeries(this._handleEnds[handleIndex], false);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_resetInterval: function () {
|
|
var visualMapModel = this.visualMapModel;
|
|
var dataInterval = this._dataInterval = visualMapModel.getSelected();
|
|
var dataExtent = visualMapModel.getExtent();
|
|
var sizeExtent = [0, visualMapModel.itemSize[1]];
|
|
this._handleEnds = [linearMap(dataInterval[0], dataExtent, sizeExtent, true), linearMap(dataInterval[1], dataExtent, sizeExtent, true)];
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
* @param {(number|string)} handleIndex 0 or 1 or 'all'
|
|
* @param {number} dx
|
|
* @param {number} dy
|
|
*/
|
|
_updateInterval: function (handleIndex, delta) {
|
|
delta = delta || 0;
|
|
var visualMapModel = this.visualMapModel;
|
|
var handleEnds = this._handleEnds;
|
|
var sizeExtent = [0, visualMapModel.itemSize[1]];
|
|
sliderMove(delta, handleEnds, sizeExtent, handleIndex, // cross is forbiden
|
|
0);
|
|
var dataExtent = visualMapModel.getExtent(); // Update data interval.
|
|
|
|
this._dataInterval = [linearMap(handleEnds[0], sizeExtent, dataExtent, true), linearMap(handleEnds[1], sizeExtent, dataExtent, true)];
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_updateView: function (forSketch) {
|
|
var visualMapModel = this.visualMapModel;
|
|
var dataExtent = visualMapModel.getExtent();
|
|
var shapes = this._shapes;
|
|
var outOfRangeHandleEnds = [0, visualMapModel.itemSize[1]];
|
|
var inRangeHandleEnds = forSketch ? outOfRangeHandleEnds : this._handleEnds;
|
|
|
|
var visualInRange = this._createBarVisual(this._dataInterval, dataExtent, inRangeHandleEnds, 'inRange');
|
|
|
|
var visualOutOfRange = this._createBarVisual(dataExtent, dataExtent, outOfRangeHandleEnds, 'outOfRange');
|
|
|
|
shapes.inRange.setStyle({
|
|
fill: visualInRange.barColor,
|
|
opacity: visualInRange.opacity
|
|
}).setShape('points', visualInRange.barPoints);
|
|
shapes.outOfRange.setStyle({
|
|
fill: visualOutOfRange.barColor,
|
|
opacity: visualOutOfRange.opacity
|
|
}).setShape('points', visualOutOfRange.barPoints);
|
|
|
|
this._updateHandle(inRangeHandleEnds, visualInRange);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_createBarVisual: function (dataInterval, dataExtent, handleEnds, forceState) {
|
|
var opts = {
|
|
forceState: forceState,
|
|
convertOpacityToAlpha: true
|
|
};
|
|
|
|
var colorStops = this._makeColorGradient(dataInterval, opts);
|
|
|
|
var symbolSizes = [this.getControllerVisual(dataInterval[0], 'symbolSize', opts), this.getControllerVisual(dataInterval[1], 'symbolSize', opts)];
|
|
|
|
var barPoints = this._createBarPoints(handleEnds, symbolSizes);
|
|
|
|
return {
|
|
barColor: new LinearGradient(0, 0, 0, 1, colorStops),
|
|
barPoints: barPoints,
|
|
handlesColor: [colorStops[0].color, colorStops[colorStops.length - 1].color]
|
|
};
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_makeColorGradient: function (dataInterval, opts) {
|
|
// Considering colorHue, which is not linear, so we have to sample
|
|
// to calculate gradient color stops, but not only caculate head
|
|
// and tail.
|
|
var sampleNumber = 100; // Arbitrary value.
|
|
|
|
var colorStops = [];
|
|
var step = (dataInterval[1] - dataInterval[0]) / sampleNumber;
|
|
colorStops.push({
|
|
color: this.getControllerVisual(dataInterval[0], 'color', opts),
|
|
offset: 0
|
|
});
|
|
|
|
for (var i = 1; i < sampleNumber; i++) {
|
|
var currValue = dataInterval[0] + step * i;
|
|
|
|
if (currValue > dataInterval[1]) {
|
|
break;
|
|
}
|
|
|
|
colorStops.push({
|
|
color: this.getControllerVisual(currValue, 'color', opts),
|
|
offset: i / sampleNumber
|
|
});
|
|
}
|
|
|
|
colorStops.push({
|
|
color: this.getControllerVisual(dataInterval[1], 'color', opts),
|
|
offset: 1
|
|
});
|
|
return colorStops;
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_createBarPoints: function (handleEnds, symbolSizes) {
|
|
var itemSize = this.visualMapModel.itemSize;
|
|
return [[itemSize[0] - symbolSizes[0], handleEnds[0]], [itemSize[0], handleEnds[0]], [itemSize[0], handleEnds[1]], [itemSize[0] - symbolSizes[1], handleEnds[1]]];
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_createBarGroup: function (itemAlign) {
|
|
var orient = this._orient;
|
|
var inverse = this.visualMapModel.get('inverse');
|
|
return new graphic.Group(orient === 'horizontal' && !inverse ? {
|
|
scale: itemAlign === 'bottom' ? [1, 1] : [-1, 1],
|
|
rotation: Math.PI / 2
|
|
} : orient === 'horizontal' && inverse ? {
|
|
scale: itemAlign === 'bottom' ? [-1, 1] : [1, 1],
|
|
rotation: -Math.PI / 2
|
|
} : orient === 'vertical' && !inverse ? {
|
|
scale: itemAlign === 'left' ? [1, -1] : [-1, -1]
|
|
} : {
|
|
scale: itemAlign === 'left' ? [1, 1] : [-1, 1]
|
|
});
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_updateHandle: function (handleEnds, visualInRange) {
|
|
if (!this._useHandle) {
|
|
return;
|
|
}
|
|
|
|
var shapes = this._shapes;
|
|
var visualMapModel = this.visualMapModel;
|
|
var handleThumbs = shapes.handleThumbs;
|
|
var handleLabels = shapes.handleLabels;
|
|
each([0, 1], function (handleIndex) {
|
|
var handleThumb = handleThumbs[handleIndex];
|
|
handleThumb.setStyle('fill', visualInRange.handlesColor[handleIndex]);
|
|
handleThumb.position[1] = handleEnds[handleIndex]; // Update handle label position.
|
|
|
|
var textPoint = graphic.applyTransform(shapes.handleLabelPoints[handleIndex], graphic.getTransform(handleThumb, this.group));
|
|
handleLabels[handleIndex].setStyle({
|
|
x: textPoint[0],
|
|
y: textPoint[1],
|
|
text: visualMapModel.formatValueText(this._dataInterval[handleIndex]),
|
|
textVerticalAlign: 'middle',
|
|
textAlign: this._applyTransform(this._orient === 'horizontal' ? handleIndex === 0 ? 'bottom' : 'top' : 'left', shapes.barGroup)
|
|
});
|
|
}, this);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
* @param {number} cursorValue
|
|
* @param {number} textValue
|
|
* @param {string} [rangeSymbol]
|
|
* @param {number} [halfHoverLinkSize]
|
|
*/
|
|
_showIndicator: function (cursorValue, textValue, rangeSymbol, halfHoverLinkSize) {
|
|
var visualMapModel = this.visualMapModel;
|
|
var dataExtent = visualMapModel.getExtent();
|
|
var itemSize = visualMapModel.itemSize;
|
|
var sizeExtent = [0, itemSize[1]];
|
|
var pos = linearMap(cursorValue, dataExtent, sizeExtent, true);
|
|
var shapes = this._shapes;
|
|
var indicator = shapes.indicator;
|
|
|
|
if (!indicator) {
|
|
return;
|
|
}
|
|
|
|
indicator.position[1] = pos;
|
|
indicator.attr('invisible', false);
|
|
indicator.setShape('points', createIndicatorPoints(!!rangeSymbol, halfHoverLinkSize, pos, itemSize[1]));
|
|
var opts = {
|
|
convertOpacityToAlpha: true
|
|
};
|
|
var color = this.getControllerVisual(cursorValue, 'color', opts);
|
|
indicator.setStyle('fill', color); // Update handle label position.
|
|
|
|
var textPoint = graphic.applyTransform(shapes.indicatorLabelPoint, graphic.getTransform(indicator, this.group));
|
|
var indicatorLabel = shapes.indicatorLabel;
|
|
indicatorLabel.attr('invisible', false);
|
|
|
|
var align = this._applyTransform('left', shapes.barGroup);
|
|
|
|
var orient = this._orient;
|
|
indicatorLabel.setStyle({
|
|
text: (rangeSymbol ? rangeSymbol : '') + visualMapModel.formatValueText(textValue),
|
|
textVerticalAlign: orient === 'horizontal' ? align : 'middle',
|
|
textAlign: orient === 'horizontal' ? 'center' : align,
|
|
x: textPoint[0],
|
|
y: textPoint[1]
|
|
});
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_enableHoverLinkToSeries: function () {
|
|
var self = this;
|
|
|
|
this._shapes.barGroup.on('mousemove', function (e) {
|
|
self._hovering = true;
|
|
|
|
if (!self._dragging) {
|
|
var itemSize = self.visualMapModel.itemSize;
|
|
|
|
var pos = self._applyTransform([e.offsetX, e.offsetY], self._shapes.barGroup, true, true); // For hover link show when hover handle, which might be
|
|
// below or upper than sizeExtent.
|
|
|
|
|
|
pos[1] = mathMin(mathMax(0, pos[1]), itemSize[1]);
|
|
|
|
self._doHoverLinkToSeries(pos[1], 0 <= pos[0] && pos[0] <= itemSize[0]);
|
|
}
|
|
}).on('mouseout', function () {
|
|
// When mouse is out of handle, hoverLink still need
|
|
// to be displayed when realtime is set as false.
|
|
self._hovering = false;
|
|
!self._dragging && self._clearHoverLinkToSeries();
|
|
});
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_enableHoverLinkFromSeries: function () {
|
|
var zr = this.api.getZr();
|
|
|
|
if (this.visualMapModel.option.hoverLink) {
|
|
zr.on('mouseover', this._hoverLinkFromSeriesMouseOver, this);
|
|
zr.on('mouseout', this._hideIndicator, this);
|
|
} else {
|
|
this._clearHoverLinkFromSeries();
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_doHoverLinkToSeries: function (cursorPos, hoverOnBar) {
|
|
var visualMapModel = this.visualMapModel;
|
|
var itemSize = visualMapModel.itemSize;
|
|
|
|
if (!visualMapModel.option.hoverLink) {
|
|
return;
|
|
}
|
|
|
|
var sizeExtent = [0, itemSize[1]];
|
|
var dataExtent = visualMapModel.getExtent(); // For hover link show when hover handle, which might be below or upper than sizeExtent.
|
|
|
|
cursorPos = mathMin(mathMax(sizeExtent[0], cursorPos), sizeExtent[1]);
|
|
var halfHoverLinkSize = getHalfHoverLinkSize(visualMapModel, dataExtent, sizeExtent);
|
|
var hoverRange = [cursorPos - halfHoverLinkSize, cursorPos + halfHoverLinkSize];
|
|
var cursorValue = linearMap(cursorPos, sizeExtent, dataExtent, true);
|
|
var valueRange = [linearMap(hoverRange[0], sizeExtent, dataExtent, true), linearMap(hoverRange[1], sizeExtent, dataExtent, true)]; // Consider data range is out of visualMap range, see test/visualMap-continuous.html,
|
|
// where china and india has very large population.
|
|
|
|
hoverRange[0] < sizeExtent[0] && (valueRange[0] = -Infinity);
|
|
hoverRange[1] > sizeExtent[1] && (valueRange[1] = Infinity); // Do not show indicator when mouse is over handle,
|
|
// otherwise labels overlap, especially when dragging.
|
|
|
|
if (hoverOnBar) {
|
|
if (valueRange[0] === -Infinity) {
|
|
this._showIndicator(cursorValue, valueRange[1], '< ', halfHoverLinkSize);
|
|
} else if (valueRange[1] === Infinity) {
|
|
this._showIndicator(cursorValue, valueRange[0], '> ', halfHoverLinkSize);
|
|
} else {
|
|
this._showIndicator(cursorValue, cursorValue, '≈ ', halfHoverLinkSize);
|
|
}
|
|
} // When realtime is set as false, handles, which are in barGroup,
|
|
// also trigger hoverLink, which help user to realize where they
|
|
// focus on when dragging. (see test/heatmap-large.html)
|
|
// When realtime is set as true, highlight will not show when hover
|
|
// handle, because the label on handle, which displays a exact value
|
|
// but not range, might mislead users.
|
|
|
|
|
|
var oldBatch = this._hoverLinkDataIndices;
|
|
var newBatch = [];
|
|
|
|
if (hoverOnBar || useHoverLinkOnHandle(visualMapModel)) {
|
|
newBatch = this._hoverLinkDataIndices = visualMapModel.findTargetDataIndices(valueRange);
|
|
}
|
|
|
|
var resultBatches = modelUtil.compressBatches(oldBatch, newBatch);
|
|
|
|
this._dispatchHighDown('downplay', helper.convertDataIndex(resultBatches[0]));
|
|
|
|
this._dispatchHighDown('highlight', helper.convertDataIndex(resultBatches[1]));
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_hoverLinkFromSeriesMouseOver: function (e) {
|
|
var el = e.target;
|
|
var visualMapModel = this.visualMapModel;
|
|
|
|
if (!el || el.dataIndex == null) {
|
|
return;
|
|
}
|
|
|
|
var dataModel = this.ecModel.getSeriesByIndex(el.seriesIndex);
|
|
|
|
if (!visualMapModel.isTargetSeries(dataModel)) {
|
|
return;
|
|
}
|
|
|
|
var data = dataModel.getData(el.dataType);
|
|
var value = data.get(visualMapModel.getDataDimension(data), el.dataIndex, true);
|
|
|
|
if (!isNaN(value)) {
|
|
this._showIndicator(value, value);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_hideIndicator: function () {
|
|
var shapes = this._shapes;
|
|
shapes.indicator && shapes.indicator.attr('invisible', true);
|
|
shapes.indicatorLabel && shapes.indicatorLabel.attr('invisible', true);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_clearHoverLinkToSeries: function () {
|
|
this._hideIndicator();
|
|
|
|
var indices = this._hoverLinkDataIndices;
|
|
|
|
this._dispatchHighDown('downplay', helper.convertDataIndex(indices));
|
|
|
|
indices.length = 0;
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_clearHoverLinkFromSeries: function () {
|
|
this._hideIndicator();
|
|
|
|
var zr = this.api.getZr();
|
|
zr.off('mouseover', this._hoverLinkFromSeriesMouseOver);
|
|
zr.off('mouseout', this._hideIndicator);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_applyTransform: function (vertex, element, inverse, global) {
|
|
var transform = graphic.getTransform(element, global ? null : this.group);
|
|
return graphic[zrUtil.isArray(vertex) ? 'applyTransform' : 'transformDirection'](vertex, transform, inverse);
|
|
},
|
|
|
|
/**
|
|
* @private
|
|
*/
|
|
_dispatchHighDown: function (type, batch) {
|
|
batch && batch.length && this.api.dispatchAction({
|
|
type: type,
|
|
batch: batch
|
|
});
|
|
},
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
dispose: function () {
|
|
this._clearHoverLinkFromSeries();
|
|
|
|
this._clearHoverLinkToSeries();
|
|
},
|
|
|
|
/**
|
|
* @override
|
|
*/
|
|
remove: function () {
|
|
this._clearHoverLinkFromSeries();
|
|
|
|
this._clearHoverLinkToSeries();
|
|
}
|
|
});
|
|
|
|
function createPolygon(points, cursor, onDrift, onDragEnd) {
|
|
return new graphic.Polygon({
|
|
shape: {
|
|
points: points
|
|
},
|
|
draggable: !!onDrift,
|
|
cursor: cursor,
|
|
drift: onDrift,
|
|
onmousemove: function (e) {
|
|
// Fot mobile devicem, prevent screen slider on the button.
|
|
eventTool.stop(e.event);
|
|
},
|
|
ondragend: onDragEnd
|
|
});
|
|
}
|
|
|
|
function createHandlePoints(handleIndex, textSize) {
|
|
return handleIndex === 0 ? [[0, 0], [textSize, 0], [textSize, -textSize]] : [[0, 0], [textSize, 0], [textSize, textSize]];
|
|
}
|
|
|
|
function createIndicatorPoints(isRange, halfHoverLinkSize, pos, extentMax) {
|
|
return isRange ? [// indicate range
|
|
[0, -mathMin(halfHoverLinkSize, mathMax(pos, 0))], [HOVER_LINK_OUT, 0], [0, mathMin(halfHoverLinkSize, mathMax(extentMax - pos, 0))]] : [// indicate single value
|
|
[0, 0], [5, -5], [5, 5]];
|
|
}
|
|
|
|
function getHalfHoverLinkSize(visualMapModel, dataExtent, sizeExtent) {
|
|
var halfHoverLinkSize = HOVER_LINK_SIZE / 2;
|
|
var hoverLinkDataSize = visualMapModel.get('hoverLinkDataSize');
|
|
|
|
if (hoverLinkDataSize) {
|
|
halfHoverLinkSize = linearMap(hoverLinkDataSize, dataExtent, sizeExtent, true) / 2;
|
|
}
|
|
|
|
return halfHoverLinkSize;
|
|
}
|
|
|
|
function useHoverLinkOnHandle(visualMapModel) {
|
|
var hoverLinkOnHandle = visualMapModel.get('hoverLinkOnHandle');
|
|
return !!(hoverLinkOnHandle == null ? visualMapModel.get('realtime') : hoverLinkOnHandle);
|
|
}
|
|
|
|
function getCursor(orient) {
|
|
return orient === 'vertical' ? 'ns-resize' : 'ew-resize';
|
|
}
|
|
|
|
var _default = ContinuousView;
|
|
module.exports = _default; |